| Immuno Cure Limited | Private company limited by shares | Live |
| Immuno Cure 2 Limited | Private company limited by shares | Live |
| Immuno Cure 3 Limited | Private company limited by shares | Live |
| Immuno Cure EP Limited | Private company limited by shares | Live |
| Immuno Cure 4 Limited | | Live |
| Immuno Cure 5 Limited | | Live |
| Immuno Investment Limited | | Live |
| IMMUNOCELLS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ImmunoDiagnostics Limited | Private company limited by shares | Live |
| ImmunoEast Limited | Private company limited by shares | Live |
| Immunofoco Pharmaceutical Technology Limited | | Live |
| HK ImmunoGen Limited | Private company limited by shares | Live |
| IMMUNOGEN BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| ImmunoGene Limited | Private company limited by shares | Live |
| Centre for Immunology & Infection Limited | Company limited by guarantee | Live |
| Immunomix Pharma Limited | Private company limited by shares | Live |
| Immunonet Limited | | Live |
| IMMUNOPHAGE BIOTECH HK CO., LIMITED | | Live |
| IMMUNOPROOF LIMITED | Private company limited by shares | Live |
| DrD ImmunoTech Limited | Private company limited by shares | Live |
| Immunotide Limited | | Live |
| Immunotrade Limited | Private company limited by shares | Live |
| IMMUNOVA LIMITED | Private company limited by shares | Dissolved |
| Immunova HK Limited | | Live |
| ImmunoVentis, Limited | Private company limited by shares | Live |